BG-169 Series Resin and stainless steel Resin band Mineral glass Shock resistant 200-meter water resistance Battery life: 3 years World time of 29 time zones 1/100-second stopwatch Countdown timer 5 alarm system Hourly time signal LED backlight Full auto-calendar Button operation tone on/off 12/24-hour format Dimensions: L 1.81' x W 1.68" x H 0.65"